Potamanaxas perornatus Hayward, 1940; Comments: Colombia (East Andes), Ecuador, N Peru TL: Ecuador.
Potamanaxas perornatus ♂ [IFML]. Original illustration of the holotype genitalia. Image from: Hayward, 1940. Rev. Ent., Rio de Janeiro, 11: 862, fig. 19 (male gen.); holotype male, San Francisco, Ecuador, 1.300m, Macintyre leg.